evgenybutyrev evgenybutyrev
  • 24-01-2021
  • Mathematics
contestada

2 1/4 =1 2/7 ÷x

what is the value of x

Respuesta :

davidoprea
davidoprea davidoprea
  • 24-01-2021

21/4=12\7:x

21 se simplifică  cu  7 și o să ne dea 3

și 1

12 se simplifică cu 4 și o să ne dea

3 și 1

3\1=3\1:x

x=3x3

x=9

Answer Link
Phobic111
Phobic111 Phobic111
  • 24-01-2021

Answer:

x = 0.327

Step-by-step explanation:

[tex]\frac{21}{4}[/tex] = [tex]\frac{12}{7}[/tex] ÷ x

[tex]\frac{21}{4}[/tex] = [tex]\frac{12}{7}[/tex] × [tex]\frac{1}{x}[/tex]

[tex]\frac{21}{4}[/tex] = [tex]\frac{12}{7x}[/tex]

[tex]\frac{21}{4}[/tex] x 7x = 12

[tex]\frac{147x}{4}[/tex] = 12

147x = 12 x 4

x = 48 ÷ 147

x = 0.327

Answer Link

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